Possible Clues:

• Insect's beginning to bite Auntie
• ITV alternative's nickname, with 'the'
• English channel, familiarly, with 'the'
• Telly network, with ''the''
• "Fawlty Towers" producer, with "the"
• Network on the telly, with 'The'
• Auntie
• The ___ (''Fawlty Towers'' network, informally)
• BBC (colloq
• British TV network, familiarly (with 'the')